package cn.tedu.v2_3;

import java.io.*;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 练习：1.Client 添加 IP 功能
 *      2.Server 关闭通讯、代码简洁优化，写Client关闭通讯、代码简洁优化
 */
public class Client {
    private Socket socket;
    private String ip;
    public Client() {
        try {
            socket = new Socket("192.168.215.191", 6666);
        }catch (NullPointerException e){
            System.out.println("友情提示：IP传入错误导致链接失败");
        }catch (UnknownHostException e){
            System.out.println("友情提示：IP传入错误");
        }catch (ConnectException e){
            System.out.println("客户端链接失败：建议检查IP或者端口号");
        }catch (IOException e) {
            System.out.println("客户端链接服务器失败，提示：检查IP/端口");
        }
    }
    public void start() {
        PrintWriter pw=null;
        ip=socket.getInetAddress().getHostAddress();
        try {
            pw=new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")),true);
            System.out.println(ip+"对服务器端说话：");
            while (true){
                pw.println(new Scanner(System.in).nextLine());
                System.out.println("写出成功~");
            }
        } catch (UnsupportedEncodingException e){
            System.out.println("客户端/服务器端编码集有问题！");
        }catch (IOException e) {
            System.out.println("客户端链接服务器端：IO流操作出现错误！");
        } finally {
            if (pw != null)
                pw.close();
            if (socket != null && !socket.isClosed())
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("通讯关闭失败");
                }
            }
        }
    public static void main(String[] args) {
        new Client().start();
    }
}


